Canon N1240U CanoScan N670U/N676U/N1240U ScanGear CS-U 6.2 for Win/Mac Guide - Page 92
Black-point, Brightness, Calibration, Canon ColorGear Color Matching Windows, Canon ImageTrust Windows
UPC - 013803007404
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Glossary Contents Troubleshooting Glossary Index Black-point The darkest portion of an image scanned as Color or Grayscale. When you click on the image with the Black-point eyedropper, all tones darker than the selected sample tones are adjusted to black. Brightness The overall amount of lightness or darkness in an image. An image with maximum brightness tends toward white; an image with minimum brightness tends toward black. While contrast refers to the range and number of tones in an image, brightness refers to the intensity of tones. Calibration Calibration refers to the adjustment of color processing for input and output devices on a computer, so that the colors match throughout the process. For example, calibration ensures that the color image scanned on a scanner matches the original image when it is displayed on the computer monitor, as well as printed on a color printer. Canon ColorGear Color Matching (Windows) Canon's process of matching the color profile of the input device (scanner) with the color profile of the output device (monitor), to yield the most accurate color image. Canon ImageTrust (Windows) Canon's process of converting grayscale image (8 bits per pixel) to a black and white image (1 bit per pixel) to yield a more effective scan for optical character recognition (OCR) applications. Channel See Color Channels. 92